Trinders Reagent is a group of color developing reagent, whish extensively applied in the enzyme colorimetric determination of the cholesterol, uric acid. DHBS [54970-72-8] 3,5-dichloro-2-hydroxy benzene sulfonic acid, Sodium Salt MW 265.05 Appearance White crystal Content,% ≥ 99%(HPLC) Heavy metal (Pb) < 0.0005%